:root{
  --bg:#0E0B10;--panel:#16121C;--panel-2:#1D1726;
  --ink:#F7F1EE;--soft:#B5A9B4;--muted:#7E7383;
  --brand:#FF7A45;--brand2:#FF3D7F;--amber:#FFC857;
  --line:rgba(255,122,69,.18);
  --grad:linear-gradient(135deg,#FF7A45 0%,#FF3D7F 100%);
  --wrap:min(1160px,calc(100% - 40px));
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:15px;line-height:1.85;color:var(--soft);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{width:var(--wrap);margin:0 auto}
section{padding:92px 0}
@media(max-width:768px){section{padding:54px 0}}

/* ===== 00 公告条 ===== */
.notice-bar{
  height:34px;background:#0A080C;border-bottom:1px solid var(--line);
  display:flex;align-items:center;overflow:hidden;position:relative;
}
.notice-bar::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--grad);z-index:2;
}
.notice-track{
  display:flex;gap:80px;white-space:nowrap;padding-left:calc((100vw - var(--wrap))/2);
  animation:marquee 36s linear infinite;font-size:12.5px;color:var(--muted);
}
.notice-bar:hover .notice-track{animation-play-state:paused}
.notice-track span{display:inline-block}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ===== 01 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(14,11,16,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  width:var(--wrap);margin:0 auto;height:68px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{
  width:24px;height:24px;border-radius:7px;background:var(--grad);
  box-shadow:0 0 22px rgba(255,61,127,.18);flex:none;
}
.brand-name{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.5px}
.nav-links{display:flex;gap:28px;font-size:14px}
.nav-links a{color:var(--soft);transition:color .2s}
.nav-links a:hover{color:var(--brand)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;font-size:14px;font-weight:600;
  padding:10px 22px;transition:transform .2s,box-shadow .2s;white-space:nowrap;
}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 0 22px rgba(255,122,69,.18)}
.btn-grad:hover{transform:translateY(-2px);box-shadow:0 0 26px rgba(255,61,127,.28)}
.nav-toggle{display:none;background:none;border:0;color:var(--ink);font-size:22px;cursor:pointer}
.mobile-menu{
  display:none;flex-direction:column;gap:2px;padding:10px 0 16px;
  border-top:1px solid var(--line);
}
.mobile-menu a{padding:11px 0;color:var(--soft);font-size:15px;border-bottom:1px solid rgba(181,169,180,.08)}
.mobile-menu.open{display:flex}

/* ===== 02 首屏 ===== */
.hero{position:relative;overflow:hidden;padding-top:72px;padding-bottom:88px}
.hero-grid{
  display:grid;grid-template-columns:1fr .9fr;gap:56px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:2px;
  color:var(--brand);text-transform:uppercase;margin-bottom:20px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brand)}
h1{
  font-size:clamp(38px,5.4vw,58px);line-height:1.14;font-weight:800;
  color:var(--ink);letter-spacing:-.5px;
}
h1 .grad-word{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.hero-sub{margin-top:22px;font-size:15px;line-height:1.85;color:var(--soft);max-width:460px}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.btn-ghost{
  background:rgba(255,255,255,.03);color:var(--ink);border:1px solid var(--line);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.hero-stats{display:flex;gap:44px;margin-top:48px;flex-wrap:wrap}
.stat-num{font-size:28px;font-weight:800;color:var(--ink);line-height:1.2;font-variant-numeric:tabular-nums}
.stat-num em{font-style:normal;font-size:15px;color:var(--brand);margin-left:2px}
.stat-label{font-size:12.5px;color:var(--muted);margin-top:6px;letter-spacing:.5px}

.phone-stage{position:relative;display:flex;justify-content:center}
.glow{position:absolute;border-radius:50%;filter:blur(110px);pointer-events:none;z-index:0}
.glow-a{width:280px;height:280px;background:rgba(255,122,69,.38);top:-40px;right:0}
.glow-b{width:300px;height:300px;background:rgba(255,61,127,.34);bottom:-60px;left:-30px}
.phone{
  position:relative;z-index:2;width:min(300px,60vw);aspect-ratio:9/19;
  border-radius:36px;border:8px solid #241C30;background:#120E17;
  box-shadow:0 30px 80px rgba(0,0,0,.6);overflow:hidden;
}
.phone-screen{position:absolute;inset:0;overflow:hidden;background:linear-gradient(160deg,#2A1630,#3A1830 45%,#160F1E);}
.phone-screen::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,.8));
}
.screen-shot{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.screen-title{
  position:absolute;left:16px;right:16px;bottom:52px;z-index:3;
  font-size:17px;font-weight:700;color:#fff;line-height:1.4;
}
.progress-wrap{position:absolute;left:16px;right:16px;bottom:30px;z-index:3}
.progress-bar{height:4px;border-radius:2px;background:rgba(255,255,255,.22);overflow:hidden}
.progress-fill{height:100%;width:42%;background:var(--grad);border-radius:2px}
.progress-time{display:flex;justify-content:space-between;font-size:11px;color:rgba(255,255,255,.7);margin-top:6px}
.phone-shine{
  position:absolute;inset:0;z-index:4;pointer-events:none;
  background:linear-gradient(105deg,transparent 30%,rgba(255,255,255,.16) 46%,transparent 60%);
  transform:translateX(-120%);
  animation:phoneSweep 6s ease-in-out infinite;
}
@keyframes phoneSweep{
  0%,55%{transform:translateX(-120%)}
  75%,100%{transform:translateX(120%)}
}

/* ===== 03 产品现场 ===== */
.sec-head{margin-bottom:44px;max-width:640px}
.sec-head h2{font-size:clamp(24px,3.2vw,32px);font-weight:800;color:var(--ink);line-height:1.3}
.sec-head p{margin-top:12px;font-size:14.5px;color:var(--muted)}
.live-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.live-card{
  background:var(--panel);border:1px solid var(--line);border-radius:18px;
  padding:20px 18px 22px;transition:transform .2s,border-color .2s;
}
.live-card:hover{transform:translateY(-4px);border-color:rgba(255,122,69,.42)}
.mini-phone{
  position:relative;width:100%;aspect-ratio:9/19;border-radius:20px;overflow:hidden;
  border:5px solid #241C30;background:linear-gradient(160deg,#2A1630,#160F1E);
}
.mini-phone img{width:100%;height:100%;object-fit:cover}
.mini-phone::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,.8));
}
.mini-shine{
  position:absolute;inset:0;z-index:3;pointer-events:none;
  background:linear-gradient(105deg,transparent 35%,rgba(255,255,255,.18) 50%,transparent 65%);
  transform:translateX(-130%);transition:transform .55s ease;
}
.live-card:hover .mini-shine{transform:translateX(130%)}
.card-index{
  font-size:40px;font-weight:800;color:transparent;line-height:1;
  -webkit-text-stroke:1px rgba(255,122,69,.55);margin:16px 0 8px;
}
.card-name{font-size:16px;font-weight:600;color:var(--ink)}
.card-desc{font-size:13px;color:var(--muted);margin-top:6px;line-height:1.6}

/* ===== 04 六大能力 ===== */
.ability-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ability-card{
  background:var(--panel);border:1px solid rgba(255,255,255,.06);border-radius:16px;
  padding:26px 24px;transition:border-color .2s,background .2s;
}
.ability-card:hover{border-color:rgba(255,122,69,.5);background:var(--panel-2)}
.ability-card:hover .ab-icon{color:var(--brand);fill:var(--brand)}
.ab-icon{width:24px;height:24px;color:var(--muted);fill:var(--muted);transition:color .2s,fill .2s}
.ability-card h3{font-size:17px;font-weight:600;color:var(--ink);margin:16px 0 8px}
.ability-card p{font-size:13.5px;color:var(--muted);line-height:1.7}

/* ===== 05 三步上手 ===== */
.steps{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:36px;margin-bottom:48px}
.steps::before{
  content:"";position:absolute;top:22px;left:12%;right:12%;height:0;
  border-top:1px dashed rgba(255,122,69,.28);z-index:0;
}
.step{position:relative;z-index:1;text-align:left}
.step-dot{
  width:44px;height:44px;border-radius:50%;background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;color:#fff;box-shadow:0 0 22px rgba(255,122,69,.28);
}
.step h3{font-size:17px;font-weight:600;color:var(--ink);margin:18px 0 8px}
.step p{font-size:13.5px;color:var(--muted);line-height:1.7}
.step-state{display:inline-block;margin-top:12px;font-size:12px;color:var(--brand);letter-spacing:1px}
.cta-strip{
  background:var(--panel-2);border:1px solid var(--line);border-radius:18px;
  padding:26px 32px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.cta-strip p{font-size:15px;color:var(--soft)}
.cta-strip p strong{color:var(--ink);font-weight:700}

/* ===== 06 热播榜 ===== */
.rank-row{
  display:grid;grid-template-columns:repeat(5,1fr);gap:18px;
}
.rank-card{position:relative}
.rank-cover{
  position:relative;aspect-ratio:3/4;border-radius:14px;overflow:hidden;
  background:linear-gradient(160deg,#2A1630,#160F1E);
}
.rank-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.rank-card:hover .rank-cover img{transform:scale(1.05)}
.rank-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 45%,rgba(0,0,0,.82));
}
.rank-num{
  position:absolute;top:8px;left:12px;z-index:3;
  font-size:40px;font-weight:800;line-height:1;color:transparent;
  -webkit-text-stroke:1.5px rgba(255,255,255,.55);
}
.rank-num.top{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;-webkit-text-stroke:0;
}
.rank-info{position:absolute;left:12px;right:12px;bottom:12px;z-index:3}
.rank-info h3{font-size:14px;font-weight:600;color:#fff;line-height:1.4}
.rank-heat{font-size:11.5px;color:var(--amber);margin-top:4px}

/* ===== 07 用户评价 ===== */
.review-scroll{
  display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:14px;scrollbar-width:thin;
}
.review-scroll::-webkit-scrollbar{height:5px}
.review-scroll::-webkit-scrollbar-thumb{background:rgba(255,122,69,.3);border-radius:3px}
.review-card{
  flex:0 0 68vw;max-width:520px;scroll-snap-align:start;
  background:var(--panel);border:1px solid var(--line);border-radius:16px;
  padding:26px 26px 20px;position:relative;
}
.quote-mark{font-size:44px;line-height:1;color:var(--brand);opacity:.55;font-family:Georgia,serif}
.review-card p{font-size:14px;color:var(--soft);line-height:1.85;margin:6px 0 18px}
.review-meta{font-size:12px;color:var(--muted);letter-spacing:.4px}

/* ===== 08 FAQ ===== */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.faq-item{
  background:var(--panel);border:1px solid rgba(255,255,255,.06);border-radius:14px;
  padding:0 22px;overflow:hidden;
}
.faq-q{
  display:flex;align-items:center;gap:14px;width:100%;background:none;border:0;
  padding:20px 0;text-align:left;cursor:pointer;color:var(--ink);
}
.faq-index{font-size:12.5px;color:var(--brand);font-weight:700;flex:none}
.faq-q span.title{font-size:15px;font-weight:600;flex:1;line-height:1.5}
.faq-plus{
  font-size:20px;color:var(--muted);transition:transform .25s,color .25s;flex:none;
}
.faq-item.open .faq-plus{transform:rotate(45deg);color:var(--brand)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
  font-size:13.5px;line-height:1.8;color:var(--soft);
}
.faq-item.open .faq-a{max-height:220px}
.faq-a p{padding-bottom:20px}

/* ===== 09 下载 CTA ===== */
.download-cta{
  position:relative;background:var(--grad);border-radius:26px;
  padding:64px 40px;text-align:center;overflow:hidden;
  box-shadow:0 0 60px rgba(255,61,127,.22);
}
.download-cta::before{
  content:"";position:absolute;inset:-40%;background:radial-gradient(circle,rgba(255,255,255,.18),transparent 62%);
  animation:breathe 7s ease-in-out infinite;
}
@keyframes breathe{0%,100%{transform:scale(.85);opacity:.5}50%{transform:scale(1.05);opacity:.9}}
.download-cta > *{position:relative;z-index:1}
.download-cta h2{font-size:clamp(26px,3.6vw,36px);font-weight:800;color:#fff;line-height:1.35}
.download-cta p{color:rgba(255,255,255,.92);margin-top:16px;font-size:15px;max-width:480px;margin-left:auto;margin-right:auto}
.cta-buttons{display:flex;gap:14px;justify-content:center;margin-top:30px;flex-wrap:wrap}
.btn-white{background:#fff;color:#1A0E16;box-shadow:0 8px 24px rgba(0,0,0,.16)}
.btn-white:hover{transform:translateY(-2px)}
.btn-outline{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.7)}
.btn-outline:hover{background:rgba(255,255,255,.12)}
.cta-version{margin-top:22px;font-size:12px;color:rgba(255,255,255,.78);letter-spacing:.5px}

/* ===== 10 页脚 ===== */
.site-footer{border-top:1px solid var(--line);padding:64px 0 34px;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:13px;color:var(--muted);line-height:1.85;max-width:280px}
.footer-col h4{font-size:13px;font-weight:600;color:var(--ink);margin-bottom:14px;letter-spacing:.6px}
.footer-col a{display:block;font-size:13px;color:var(--muted);margin-bottom:10px;transition:color .2s}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.06);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12px;color:var(--muted);line-height:1.8;
}
.footer-note{margin-top:14px;font-size:12px;color:var(--muted);line-height:1.8}

/* ===== 滚动渐入 ===== */
.reveal{transform:translateY(16px);transition:opacity .55s ease,transform .55s ease}
.reveal.in{transform:translateY(0)}

/* ===== 吸底条 ===== */
.sticky-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:120;
  background:rgba(22,18,28,.94);backdrop-filter:blur(12px);
  border-top:1px solid var(--line);padding:10px 16px;
  align-items:center;justify-content:space-between;gap:12px;
}
.sticky-bar p{font-size:12.5px;color:var(--soft);line-height:1.4}
.sticky-bar .btn{padding:9px 18px;font-size:13px}

/* ===== 响应式 ===== */
@media(max-width:1024px){
  .hero-grid{gap:36px}
  .ability-grid{grid-template-columns:repeat(2,1fr)}
  .rank-row{grid-template-columns:repeat(5,1fr);gap:12px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;text-align:left}
  .phone-stage{order:2;margin-top:16px}
  .hero{padding-top:52px}
  .steps{grid-template-columns:1fr;gap:28px}
  .steps::before{display:none}
  .live-grid{grid-template-columns:repeat(2,1fr)}
  .rank-row{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .nav-links{display:none}
  .nav-inner .btn-grad{display:none}
  .nav-toggle{display:block}
  .ability-grid{grid-template-columns:1fr}
  .live-grid{display:flex;overflow-x:auto;gap:14px;padding-bottom:12px;scroll-snap-type:x mandatory}
  .live-card{flex:0 0 62vw;scroll-snap-align:start}
  .faq-grid{grid-template-columns:1fr}
  .rank-row{display:flex;overflow-x:auto;gap:14px;padding-bottom:12px;scroll-snap-type:x mandatory}
  .rank-card{flex:0 0 46vw;scroll-snap-align:start}
  .download-cta{padding:48px 22px}
  .cta-strip{padding:22px}
  .hero-stats{gap:28px}
}
@media(max-width:560px){
  .sticky-bar{display:flex}
  body{padding-bottom:64px}
  .site-footer{padding-bottom:90px}
  .hero-actions .btn{flex:1}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .footer-brand{grid-column:1/-1}
  .review-card{flex:0 0 82vw}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{transform:none}
}